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TLV320AIC26 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. TLV320AIC26
Description  LOW POWER STEREO AUDIO CODEC WITH HEADPHONE/SPEAKER AMPLIFIER AND 12-BIT BATTERY / TEMPERATURE / AUXILIARY ADC
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TLV320AIC26 Datasheet(HTML) 1 Page - Texas Instruments

 
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TLV320AIC26
SLAS412− DECEMBER 2003
LOW POWER STEREO AUDIO CODEC WITH HEADPHONE / SPEAKER
AMPLIFIER AND 12BIT BATTERY / TEMPERATURE / AUXILIARY ADC
FEATURES
D Low Power High Quality Audio Codec
D Stereo Audio DAC and Mono Audio ADC
Support Rates up to 48 ksps
D High Quality 97-dBA Stereo Audio Playback
Performance
D Low Power: 11-mW Stereo Audio Playback at
48 ksps
D On-Chip 325-mW, 8-W Speaker Driver
D Stereo Headphone Amplifier With Capless
Output Option
D Microphone Preamp and Hardware Automatic
Gain Control
D Integrated PLL for Flexible Audio Clock
Generation
D Programmable Digital Audio
Bass/Treble/EQ/De-Emphasis
D Direct Battery Measurement Accepts up to
6-V Input
D On-Chip Temperature Measurement
D SPI and I2S Serial Interface
D Full Power-Down Control
D 32-Pin 5y5 mm QFN Package
APPLICATIONS
D Cellular and Smart Phones
D MP3 Players
D Digital Still Cameras
D Digital Video Camcorders
DESCRIPTION
The TLV320AIC26 is a high-performance audio codec with
16/20/24/32-bit 97-dBA stereo playback, mono record
functionality at up to 48 ksps. A microphone input includes
built-in preamp and hardware automatic gain control, with
single-ended or fully-differential input capability.
The audio output drivers on the ’AIC26 are highly flexible,
having software-programmable low or high-power drive
modes to optimize system power dissipation. The outputs
can be configured to supply up to 325 mW into a bridge
terminated 8-
Ω load, can support stereo 16-Ω headphone
amplifiers in ac-coupled or capless output configurations,
and can supply a stereo line-level output
A programmable digital audio effects processor enables
bass,
treble,
midrange,
or
equalization
playback
processing. The digital audio data format is programmable
to work with popular audio standard protocols (I2S, DSP,
Left/Right Justified) in master or slave mode, and also
includes an on-chip programmable PLL for flexible clock
generation capability. Highly configurable software power
control is provided, enabling stereo audio playback at 48
ksps at 11 mW with a 3.3-V analog supply level.
The ’AIC26 offers a 12-bit measurement ADC and internal
reference voltage, as well as two battery measurement
inputs capable of reading battery voltages up to 6 V, while
operating at an analog supply as low as 2.7 V. It includes
an on-chip temperature sensor capable of reading 0.3
°C
resolution. The ’AIC26 is available in a 32 lead QFN.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
www.ti.com
Copyright
 2003, Texas Instruments Incorporated
SPI is a trademark of Motorola.
I2S is a trademark of Phillips Electronics.


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